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MRCOOL DIY 4th Gen Multi-Zone 2-Zone 18,000 BTU 21 SEER (9K + 9K) Ductless Mini-Split Air Conditioner and Heat Pump

MRCOOL DIY 4th Gen Multi-Zone 2-Zone 18,000 BTU 21 SEER (9K + 9K) Ductless Mini-Split Air Conditioner and Heat Pump
Starting at $167/mo or 0% APR with . See if you qualify
Save 13% Save 13%
$3,066.00
$3,066.00 - $4,492.00
$3,066.00
$2,666.00
$2,666.00 - $4,492.00
$2,666.00
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Line Set for Air Handler #1: 16 Ft
Line Set for Air Handler #2: 16 Ft

DIY 4th Gen Multi-Zone 2-Zone 18,000 BTU 21 SEER (9K + 9K) Ductless Mini-Split Air Conditioner and Heat Pump

The MRCOOL DIY 4th Gen Multi-Zone 18,000 BTU Ductless Heat Pump System is designed for effortless installation and year-round climate control. With two 9,000 BTU indoor air handlers, this system efficiently heats and cools spaces up to 350 sq. ft. each, providing customized comfort for multiple zones. Thanks to MRCOOL’s Quick Connect line set, which comes pre-charged with eco-friendly R-410A refrigerant, installation is truly DIY-friendly—no special tools, training, or HVAC technician required!

This system delivers 18,000 BTU capacity with 21 SEER efficiency, ensuring powerful performance while keeping energy costs low. Enjoy easy control options, including the wireless remote, MRCOOL Smart Controller app, and voice commands via Amazon Alexa & Google Home. Designed for year-round comfort, it offers cooling during summer, heating through winter, and dehumidification in humid seasons. Each indoor unit features directional airflow control, allowing for even temperature distribution throughout the room.

With auto mode, the system self-adjusts heating or cooling levels based on your preferred temperature, while Sleep Mode ensures quiet operation and reduced power consumption overnight. The built-in diagnostic display provides troubleshooting codes, alerts, and maintenance reminders, making operation hassle-free. For added convenience, the timer function helps optimize energy savings, and users can mute alerts and LED displays to minimize distractions. The system also includes emergency operation mode for forced cooling and automatic restart after power outages. Whether you’re looking for an efficient, cost-effective solution for your home or workspace, the MRCOOL DIY Multi-Zone system delivers powerful performance with no professional installation required.


MRCOOL 4th Gen DIY 18k BTU 2-Zone Mini Split Specs & Features

  • Easy DIY® Installation
  • "Pre-charged DIY®
  • Quick Connect Line Set
  • Simple to Use
  • Multi-room Comfort
  • Energy Efficient DC Inverter
  • 100% Sealed System
  • Gold Fin® Condenser
  • Eco Safe R-410A Refrigerant
  • Smartphone App Controls
  • Lifetime Technical Support
  • Follow Me® Feature
  • Low Ambient Cooling
  • SEER: 21
  • EER: 12.5
  • Cooling Capacity (BTU): 18000
  • Heating Capacity (BTU): 19000
  • Voltage: 208-230 V
  • Phase: 1
  • Cycle: 60 Hz
  • Max Fuse Breaker: 25A
  • Min Circuit Ampacity: 18A
  • Zone Capacity: 2
  • Refrigerant Type: R-410A
  • Compressor Motor Type: Twin - Rotary
  • Min Ambient Cool: 5F ~ 122F
  • Min Ambient Heat: -13F ~ 75.2F
  • Inner Dimensions: 26.50" H x 13.46" D x 35.04" W
  • Outer Dimensions: 29.33" H x 17.64" D x 40.94" W
  • Weight: 111.11 lbs

Your Satisfaction with MRCOOL is Guaranteed:

  • 5 Year Parts Warranty, 7 Year Compressor Warranty
  • Lowest Price Guarantee